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Gossamer Bio

98 hedge funds and large institutions have $197M invested in Gossamer Bio in 2023 Q4 according to their latest regulatory filings, with 22 funds opening new positions, 33 increasing their positions, 23 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed

239% more call options, than puts

Call options by funds: $3.18M | Put options by funds: $936K

43% more repeat investments, than reductions

Existing positions increased: 33 | Existing positions reduced: 23

16% more first-time investments, than exits

New positions opened: 22 | Existing positions closed: 19

15% more capital invested

Capital invested by funds: $171M → $197M (+$25.8M)

4.06% more ownership

Funds ownership: 91.23%95.29% (+4.1%)

3% more funds holding

Funds holding: 9598 (+3)

0% more funds holding in top 10

Funds holding in top 10: 11 (0)

Holders
98
Holders Change
+3
Holders Change %
+3.16%
% of All Funds
1.43%
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.01%
New
22
Increased
33
Reduced
23
Closed
19
Calls
$3.18M
Puts
$936K
Net Calls
+$2.24M
Net Calls Change
+$105K
Name Holding Trade Value Shares
Change
Change in
Stake
NMC
1
NEA Management Company
Maryland
$14.5M +$81.3K +110,067 +0.7%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$11.2M +$8.59M +11,625,497 +1,821%
AG
3
Artal Group
Luxembourg
$11M +$4.18M +5,659,149 +88%
Vanguard Group
4
Vanguard Group
Pennsylvania
$10.6M +$271K +367,306 +3%
Morgan Stanley
5
Morgan Stanley
New York
$10.2M +$7.94M +10,746,373 +2,746%
EC
6
EcoR1 Capital
California
$8.39M
OCA
7
Octagon Capital Advisors
New York
$8.38M +$739K +1,000,000 +12%
AVM
8
Arch Venture Management
Illinois
$7.35M
PAI
9
Palo Alto Investors
California
$6.53M -$422K -571,400 -9%
PIM
10
Platinum Investment Management
Australia
$6.35M +$1.18M +1,596,332 +30%
EP
11
Eversept Partners
New York
$5.87M +$1.48M +2,004,858 +45%
Citadel Advisors
12
Citadel Advisors
Florida
$5.6M -$20.6K -27,911 -0.5%
FCM
13
Farallon Capital Management
California
$5.59M
SB
14
Samsara BioCapital
California
$5.59M
SCM
15
Silverarc Capital Management
Massachusetts
$5.59M
MAP
16
Madison Avenue Partners
New York
$4.61M -$795K -1,075,796 -18%
HA
17
HHLR Advisors
Cayman Islands
$4.54M
Millennium Management
18
Millennium Management
New York
$3.85M -$2.09M -2,826,750 -40%
AC
19
Armistice Capital
New York
$3.79M -$591K -800,000 -16%
Deutsche Bank
20
Deutsche Bank
Germany
$3.46M +$2.81M +3,807,661 New
T. Rowe Price Associates
21
T. Rowe Price Associates
Maryland
$3.37M +$2.73M +3,695,227 New
MIM
22
Monashee Investment Management
Massachusetts
$3.16M -$1.36M -1,844,358 -35%
BlackRock
23
BlackRock
New York
$3.08M -$804K -1,088,007 -24%
6CM
24
683 Capital Management
New York
$3.02M +$1.17M +1,588,561 +92%
RSCM
25
Rock Springs Capital Management
Maryland
$2.98M

GOSS Hedge Fund Activity: Q4 2023 in Review

98 of the 6,859 institutional investors tracked by Wall St. Rank reported a position in Gossamer Bio (GOSS) for Q4 2023, worth a combined $197M — up 15% from $171M a quarter earlier.

Buyers outnumbered sellers: 22 funds opened new GOSS positions and 19 closed out — a net gain of 3 holders — while 33 added to existing stakes and 23 trimmed.

The largest buyer was Fidelity Investments, adding an estimated $8.59M. The largest seller was Boxer Capital, exiting entirely with an estimated $5.41M sold.

  • 98 institutional investors held Gossamer Bio (GOSS) as of Q4 2023, up from 95 in Q3 2023.
  • Funds reported $197M of Gossamer Bio stock for Q4 2023, up 15% quarter-over-quarter.
  • 22 funds opened new Gossamer Bio positions in Q4 2023 and 19 closed out, a net change of +3 holders.
  • The largest Gossamer Bio buyer in Q4 2023 was Fidelity Investments, an estimated $8.59M added.
  • The largest Gossamer Bio seller in Q4 2023 was Boxer Capital, an estimated $5.41M sold.

Based on aggregated 13F filings for Q4 2023.